# exercise.py
import tools.math.mymoudle as mymoudle

print(mymoudle.fibo(10)) # 调用 mymodule 模块中的 fibo 函数

# mymoudle.py
def fibo(n):
    if n <= 1:
        return n
    else:
        return (fibo(n-1) + fibo(n-2))

print("I am mymoudle.py, let`s dance!") # 导入模块时打印一条语句
